substitution - definition and synonyms

 
noun [countable/uncountable] 

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/ˌsʌbstɪˈtjuːʃ(ə)n/
singularsubstitution
pluralsubstitutions
  1. the action of replacing someone or something with someone or something else

    The substitution was made just minutes before the end of the game.

    The election led simply to the substitution of one group of corrupt politicians by another.